Mercurial > hg > xemacs-beta
diff lisp/help.el @ 398:74fd4e045ea6 r21-2-29
Import from CVS: tag r21-2-29
author | cvs |
---|---|
date | Mon, 13 Aug 2007 11:13:30 +0200 |
parents | 8626e4521993 |
children | b8cc9ab3f761 |
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--- a/lisp/help.el Mon Aug 13 11:12:06 2007 +0200 +++ b/lisp/help.el Mon Aug 13 11:13:30 2007 +0200 @@ -305,8 +305,8 @@ "Return the command invoked by KEY. Like `key-binding', but handles menu events and toolbar presses correctly. KEY is any value returned by `next-command-event'. -MENU-FLAG is a symbol that should be set to T if KEY is a menu event, - or NIL otherwise" +MENU-FLAG is a symbol that should be set to t if KEY is a menu event, + or nil otherwise" (let (defn) (and menu-flag (set menu-flag nil)) ;; If the key typed was really a menu selection, grab the form out @@ -461,7 +461,9 @@ (if (and (integerp help-max-help-buffers) (> help-max-help-buffers 0) (stringp name)) - (format "*%s: %s*" help-buffer-prefix-string name) + (if help-buffer-prefix-string + (format "*%s: %s*" help-buffer-prefix-string name) + (format "*%s*" name)) (format "*%s*" help-buffer-prefix-string))) ;; Use this function for displaying help when C-h something is pressed @@ -655,9 +657,20 @@ (gettext "key binding\n--- -------\n"))) (buffer (current-buffer)) (minor minor-mode-map-alist) + (extent-maps (mapcar-extents + 'extent-keymap + nil (current-buffer) (point) (point) nil 'keymap)) (local (current-local-map)) (shadow '())) (set-buffer standard-output) + (while extent-maps + (insert "Bindings for Text Region:\n" + heading) + (describe-bindings-internal + (car extent-maps) nil shadow prefix mouse-only-p) + (insert "\n") + (setq shadow (cons (car extent-maps) shadow) + extent-maps (cdr extent-maps))) (while minor (let ((sym (car (car minor))) (map (cdr (car minor)))) @@ -935,8 +948,9 @@ (format (gettext "Describe function (default %s): ") fn) (gettext "Describe function: ")) - obarray 'fboundp t nil 'function-history)))) - (list (if (equal val "") fn (intern val))))) + obarray 'fboundp t nil 'function-history + (symbol-name fn))))) + (list (intern val)))) (with-displaying-help-buffer (lambda () (describe-function-1 function) @@ -1004,24 +1018,27 @@ This function is used by `describe-function-1' to list function arguments in the standard Lisp style." - (let* ((fndef (indirect-function function)) + (let* ((fnc (indirect-function function)) + (fndef (if (eq (car-safe fnc) 'macro) + (cdr fnc) + fnc)) (arglist - (cond ((compiled-function-p fndef) - (compiled-function-arglist fndef)) - ((eq (car-safe fndef) 'lambda) - (nth 1 fndef)) - ((subrp fndef) - (let* ((doc (documentation function)) - (args (and (string-match - "[\n\t ]*\narguments: ?(\\(.*\\))\n?\\'" - doc) - (match-string 1 doc)))) - ;; If there are no arguments documented for the - ;; subr, rather don't print anything. - (cond ((null args) t) - ((equal args "") nil) - (args)))) - (t t)))) + (cond ((compiled-function-p fndef) + (compiled-function-arglist fndef)) + ((eq (car-safe fndef) 'lambda) + (nth 1 fndef)) + ((subrp fndef) + (let* ((doc (documentation function)) + (args (and (string-match + "[\n\t ]*\narguments: ?(\\(.*\\))\n?\\'" + doc) + (match-string 1 doc)))) + ;; If there are no arguments documented for the + ;; subr, rather don't print anything. + (cond ((null args) t) + ((equal args "") nil) + (args)))) + (t t)))) (cond ((listp arglist) (prin1-to-string (cons function (mapcar (lambda (arg) @@ -1224,8 +1241,9 @@ (if v (format "Describe variable (default %s): " v) (gettext "Describe variable: ")) - obarray 'boundp t nil 'variable-history)))) - (list (if (equal val "") v (intern val))))) + obarray 'boundp t nil 'variable-history + (symbol-name v))))) + (list (intern val)))) (with-displaying-help-buffer (lambda () (let ((origvar variable) @@ -1408,7 +1426,7 @@ (if cmd (princ " "))))) (terpri)))))) -;; Stop gap for 21.0 untill we do help-char etc properly. +;; Stop gap for 21.0 until we do help-char etc properly. (defun help-keymap-with-help-key (keymap form) "Return a copy of KEYMAP with an help-key binding according to help-char invoking FORM like help-form. An existing binding is not overridden.